Finding the Fourth Proportional to 57,462,450.03, 79,299,855.68 and 31,358,649.24
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Solution
The fourth proportional to 57,462,450.03, 79,299,855.68 and 31,358,649.24 is: 43,275,849.84
Step by Step Solution
- Step 1: Write the proportion equation
57,462,450.03 : 79,299,855.68 = 31,358,649.24 : x - Step 2: Convert to fraction form
57,462,450.03/79,299,855.68 = 31,358,649.24/x - Step 3: Cross multiply
57,462,450.03x = 79,299,855.68 × 31,358,649.24 - Step 4: Simplify right side
57,462,450.03x = 2,486,736,358,894,948 - Step 5: Solve for x
x = 2,486,736,358,894,948/57,462,450.03 - Step 6: Final answer
x = 43,275,849.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.